UPD: Use Tab to navigate suggestions

frontend/src/components/GlobalSearch.vue

@@ -7,6 +7,7 @@
             v-model="search_input" class="mr-2 search"
             @focus="search_has_focus = true"
             @blur="searchLostFocus"
+            @keydown.tab="searchKeyboardTab($event)"
             @keydown.down="searchKeyboardSelect($event,true)"
             @keydown.up="searchKeyboardSelect($event,false)"
             @keydown.enter="searchKeyboardSubmit($event)"
@@ -179,6 +180,11 @@ export default {
         this.keyboard_focus = Math.min(Math.max(this.keyboard_focus, -1), this.suggestions.length - 1);
       }
     },
+    searchKeyboardTab(e) {
+      if (this.keyboard_focus < this.suggestions.length - 1) {
+        this.searchKeyboardSelect(e, true)
+      }
+    },
     searchKeyboardSubmit(e) {
       if (this.keyboard_focus !== -1) {
         e.preventDefault()